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MySQL INNER JOIN select only one row from second table

I have a users table and a payments table, for each user, those of which have payments, may have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL sta...
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Automatically create an Enum based on values in a database lookup table?

...and subsequently use its values in C# based on values in a database lookup table (using enterprise library data layer)? 14 ...
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how to split the ng-repeat data with three columns using bootstrap

...ays sees the return value as different from the previous. To fix these "unstable" filters, you must wrap the filter in a memoize function. lodash has a memoize function and the latest version of lodash also includes a chunk function, so we can create this filter very simply using npm modules and com...
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How do I restore a dump file from mysqldump?

...mmand prompt (in Windows) and cd to the directory where the mysql.exe executable is (you may have to look around a bit for it, it'll depend on how you installed mysql, i.e. standalone or as part of a package like WAMP). Once you're in that directory, you should be able to just type the command as I...
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Rails: Using build with a has_one association in rails

... Supposedly if user belonged to profile(meaning user table has foreign_key profile_id in its table) then also building profile for user will work as mentioned above i.e but for new action only user.build_profile for edit user.build_profile if user.profile.nil? and if you w...
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SELECT INTO a table variable in T-SQL

... a complex SELECT query, from which I would like to insert all rows into a table variable, but T-SQL doesn't allow it. 8 An...
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INSERT IF NOT EXISTS ELSE UPDATE?

...ot in the insert list will be set to NULL if the row already exists in the table. This is why there's a subselect for the ID column: In the replacement case the statement would set it to NULL and then a fresh ID would be allocated. This approach can also be used if you want to leave particular fiel...
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Where IN clause in LINQ [duplicate]

...nClause = new string[] {"One", "Two", "Three"}; var results = from x in MyTable where myInClause.Contains(x.SomeColumn) select x; // OR var results = MyTable.Where(x => myInClause.Contains(x.SomeColumn)); In the case of your query, you could do something like this.....
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How do I check in SQLite whether a table exists?

How do I, reliably , check in SQLite, whether a particular user table exists? 22 Answers ...
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Selecting data from two different servers in SQL Server

...edserver. You only have to set up one. Once you have that, you can call a table on the other server like so: select * from LocalTable, [OtherServerName].[OtherDB].[dbo].[OtherTable] Note that the owner isn't always dbo, so make sure to replace it with whatever schema you use. ...